Boat and the like



F. J. ELVY.

BOAT AND THE LIKE. V APPucATloN mep Nov. 4, 1920.

Patented July 5, 1921. 2 SHEETS-SHEET l r. Im/enfor LLELVY. BOAT AND THE LIKE.

APPLICATION FILED NOV. 4, 1920- 1,383,392, A Patented July 5, 1921.

2 sHEETs-SHEET 2.

UNITED STATES' PATENT OFFICE.

FRANKIJAMES ELVY, OF CATFORD, LONDON, ENGLAND.

BA'I- D THE LIKE.

Specicaton of Letters Patent.

Patented July 5, 1921.

Application filed November 4, 1920'. Serial No. 421,635.`

ireland, and resident of Catford, London,

Engl and, have invented certain new and uselful improvements in Boats and the like, of

which thetollowing is a specification.

This invention relates to ships boats andr the like and has for its object to reduce the height required for stowing, one above another, a given number o'tboats of a given height, and to obviate the employment of the usual transversely disposed bilge chocks.

In the present system of stowing boats on the decks of ships each boat usually rests with either end on a pair of checks hinged to a skid7 and it it be desired to save deck space by stowing boats one above another, the skids carrying the upper boats are usually supported by frames-extending from the deck clear of the lower boat or boats. This system, especially when the boats have a deep hanging keel, necessitates the use of very high and massive davits and constitutes additional expense. Another disadvantage is that the whole weight of the boat is carried by the planking of the hull, which is liable to bulge between the pairs of chocks thus making the boat unseavvorthy.

In accordance with this invention boats provided with side keels extending'fore and att in vertical planes and downwardly to the level of or lower than the bottom of the central keel, have thwarts which strengthened by means of metal frames or by pillars and stifeners extending vertically above the side keels and secured each by one end to a keelson and by the other to a thwart in order that any weight on the thwarts e. g. due to a boat or boats resting thereupon may be transmitted directly to the keelsons.

lf desired, further support may be provided by securing pillars between tlie centi'al keel and the thwarts, the latter and also the deck of the ship being provided with cliocks adapted to receive the central keel. Shaped planks lying vertically above the side keels may be secured on top of the thwarts, said planks being adapted to support the side keels of a similar boat.

My invention is illustrated in the accompanying drawings, in which Figure 1 is a side elevation of a boat; Fig. 2, a transverse section on the line 2-2 of Fig. 1, and

Fig. 3 is a partially broken away section of a modified construction.

According to one form of the invention as illustrated by the accompanying drawings 'whereof' Fig. l is an elevation of a boat and Fig. 2 is a. section on line 2 2 Fig. 1 to an enlarged. scale a boat having a thick plank coin place of the usual keel is provided with two side keels, Zi, b on opposite vsid-es of the plank a and at a suitable distance from it, each of the side keels o, b extending vertically downward to the level of the bottom of the plank L and extending longitudinally of the boat for a distance ot' half or five-eigliths of the length of the boat as shown in Fig. l. Each of the side keels Z), Z) is secured' to a shaped plank c which extends beyond each end of the side keel and which together with the side keel is secured t0 a bilge keelson ci by means of bolts e or the like passing through the ribs f of the hull. Vertically extending wooden pillars g are secured by one end to the bilge keelson CZ, the other end of each pillar g being secured to a thwart h, and each of the pillars g is strengthened by a boxended angle-iron y' secured therealongside, and similar pillars Z are provided centrally of the thwarts 7i, the lower ends of said central pillars bearing on the keelson m.

A. plank n lying vertically above each side keel b extends fore and aft across the thwarts 7i and on top of the side seat 0 and is secured thereto, said planks n being adapted to support the side keels b of another similar but shorter boat which may be stowed above the irst. Bearers p are provided centrally of the thwarts and vertically above the pillars 7c, recesses being provided therein for the reception and support of the plank a of said shorter-boat.

Fig. 3 illustrates the invention as applied to a boat having the usual keel r.

Vhen such boats are stowed one above the other, the weight of the boats is transmitted to the deck g of the ship or other surface directly through the side keels b and pillars g thus relieving the hull f from strain.

The construction enables boats to be stowed with a minimum of head room and deck space and prevents damage to the boats due to excessive pressure on the hull; this teature is of especial importance for motor A further advantage lies in the fact that the side keels b may be provided with suitablehand grips s for use in case of capsizing, thus adding to the safety of the boat.

The davits may be shortened and made lighter or alternatively they may remain of normal size, when greater freedom of movep ment is available.

v extending fore and aft in vertical planes and downwardly at least as far as the level of the bottom of said central keel, keelsons above each of said central and side keels, thwarts,

supports vertically above each of said central and side keels, said supports being se-y cured between said keelsons and said thwarts and adapted to transmit directly to said keelsons any weight on said thwarts, and chocks on said thwarts adapted to receive the central keel of another boat. Y

, 3. A boat having a central keel, side keels yextending fore and aft in vertical planes and Vdownwardly at least as far as the level of the bottom of said centraly keel, keelsons above each of said side keels, thwarts, supports vertically above each of said side keels, said supports being secured between said keelsons and said thwarts and adapted to transmit directly to said keelsons any weight on said thwarts, and shapedrplanks secured on top of said thwarts and vertically above said side keels, said shaped planks being adapted to support the side keels of a similar boat.

4. A boat having a central keel, side keels extending fore and aft in vertical planes and downwardly at least as far as the level of the bottom of said lcentral keel, said side keels being provided with handgrips, keel- A sons above each of said'side keels, thwarts, supports vertically above each of said side keels, said supports beingsecured between said keelsons and said thwarts and adapted to transmit directly to said keel'sons any weight on said thwarts, substantially as set forth. VFRANK JAMES ELVY. 

